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Your cart is empty.A high-end IP phone for small business users, the GXP1628 delivers a suite of powerful VoIP features in an easy-to-use fashion with a modern design. The GXP1628 offers support for up to 2 lines and features Gigabit ports to maximize connection speeds and call quality. The phone includes 8 BLF/speed dial keys that allow users to easily monitor presence and status of other extensions and transfer calls. Additional features include HD audio for crystal-clear calls, 3-way conferencing to maximize productivity, 3 XML programmable soft keys for customization, EHS support for Plantronics headsets and integrated PoE to allow one cord to power the phone and give it a network connection. These features and more allow the GXP1628 to be a high-quality and versatile small business IP phone. As all Grand stream IP phones do, the GXP1628 features state-of-the-art security encryption technology (SRTP and TLS). The GXP1628 supports a variety of automated provisioning options, including zero-configuration with Grand stream's UCM series IP PBXs, encrypted XML files and TR-069, to make mass deployment extremely easy.
Patrice Trameaux
Reviewed in France on March 15, 2024
Maisl la prise électrique n'est pas adapter à la France.Et, c'est un poste que l'on pose au mur et non sur un bureau.
M. Miller
Reviewed in the United States on November 30, 2023
For under $30, this was an excellent buy to use in a home setting. It just works and is solid on the desk.
Pat G.
Reviewed in the United States on September 11, 2020
P This phone works great and the cost is very affordable compared to others being sold.
M H.
Reviewed in Canada on July 6, 2019
Easy to configure and voice quality is great, plus the price is good.
Kwasi
Reviewed in the United States on November 2, 2019
Nice phone, great price
OTG w/chickens
Reviewed in the United States on August 8, 2018
This is a step up from the GXP1625 model which is also excellent. I'm using this phone connecting to RasPBX (Raspberry Pi PBX) and it's working great. Sound quality is excellent. Constuction of this and the GXP1625 is also excellent, the phone feels solid and seems to be made of good quality, for the price. Easy to set up using its built in web interface and obtaining the IP address with one press of a button on the LCD screen.
John
Reviewed in the United States on March 1, 2018
Excellent phone. Configured easily for a small PBX system with four external VoIP phone numbers using FreePBX on a Raspberry Pi micro-computer. Accessed phone via LAN to configure. For systems with many phones of the same model, individual phone configuration may not be feasible and configuration can be set up with a file for multiple phones. This model is one of a several two-line Grandstream phones sharing selected pairs of the four lines. Very reliable with excellent audio. Updated firmware directly from Grandstream's web site using configuration inside phone to periodically check for firmware updates and download them; this does require Internet access for the phone, and if it's used for outside calling, it should already have Internet access. There are also means for local firmware updates and Grandstream has easy to follow instructions about how to do this using a PC on the same network. For a small PBX system that doesn't have or cannot justify the cost of PoE (Power over Ethernet) to power the phones, this model can be powered by a wall wart and it comes with one.Notes:For those putting in their own PBX, there is a learning curve for the PBX software and the phones being used. Once you're past that, it becomes easy to maintain and modify as the phone needs evolve, but it does require periodic management, and it requires security savvy to keep it from being hacked, taken over and used by the hacker(s) to rack up enormous phone charges to exotic locations like Nigeria. Not hard to prevent, but requires knowing it can happen if the PBX system isn't secured properly from outside hackers that have bots probing for PBXs 24/7. The overwhelming majority of problems I've seen others have with these and other major brand VoIP phones invariably boil down to this learning curve. This phone has two "SIP" lines as does the GPX1625. Its sister model, the GPX1630 has three "SIP" lines. The entire GPX16xx line is geared for smaller PBX systems. If someone needs more than three lines (the GPX1630), Grandstream has phones with more lines in their middle and upper tiers. These phones are made for PBX systems found in larger businesses with more than a handful of employees. It's an extremely rare home that would have a PBX which requires a dedicated PBX server running on the local network. It has an RJ45 Ethernet connector, *not* an RJ11 modular phone connector. If someone is getting phone service as part of their cable TV service, these phones will *not* work as the cable modem has an RJ11 modular phone connector and is designed for use with the same standard PSTN (Public Switched Telephone Network) type telephone as is used with what is commonly known as a "land line" or POTS (Plain Old Telephone Service), typically with only a single line, the same kind of phone that's been in use since the introduction of the TouchTone telephone in the mid-1960's.
EDUARDO O.
Reviewed in Spain on January 5, 2018
Facil de manejar y de configurar.Tiene muchas mas funciones de las que voy a usar...Contento con la compra.
Mathinathu
Reviewed in the United States on January 27, 2018
Whenever manufacture a product, it should be tested with relevant firmware. It is a basic that latest firmware does not work properly. It is forcing end customer to downgrade the firmware to work as normal. What is the purpose of QA for Product Manufacturer. This model is rubbish. Do not buy.
Terminal Velocity
Reviewed in the United Kingdom on December 3, 2017
I have been using Grandstream VoIP phones for some years and have sometimes found the sound quality lacking. This device has a great many things going for it. The main thing is the HD sound. Another thing I like is the fact it connects using a 1 GB Ethernet adapter and if you home system, like mine, is built for the higher speed then there should be no issues with dropped packets whilst you talk.Great item and I love it!
Toan D
Reviewed in the United States on October 24, 2017
Works great, no issues at all. Have it paired with the Grandstream UCM. Additional buttons on the side were easily configured for shortcuts. Been in use for the last 6mon and the office loves it.
CNN
Reviewed in the United States on January 31, 2017
basically a good phone
Kunde
Reviewed in Germany on October 13, 2016
Works perfectly with UCM6102. Run set up smoothly. Not much customizing yet. But happy for the price I paid. Highly recomment!
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